X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fmkdir-slash.m4;h=3c25d2af9a936fc1fdcf0c1f28b8ad198db1e38c;hb=93d45a6cea3e8c0959a430e0b3f5ae24fc600399;hp=c1e595bbd389a2c56e79fe70d5abc6a33e434ae7;hpb=44d7c1c1f004fa9bfb8ec3948de2671a7958cf5b;p=gnulib.git

diff --git a/m4/mkdir-slash.m4 b/m4/mkdir-slash.m4
index c1e595bbd..3c25d2af9 100644
--- a/m4/mkdir-slash.m4
+++ b/m4/mkdir-slash.m4
@@ -1,6 +1,6 @@
-#serial 4
+#serial 5
 
-# Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2004, 2006 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -10,6 +10,7 @@
 # trailing slashes.
 AC_DEFUN([gl_FUNC_MKDIR_TRAILING_SLASH],
 [dnl
+  AC_CHECK_HEADERS_ONCE(unistd.h)
   AC_CACHE_CHECK([whether mkdir fails due to a trailing slash],
     gl_cv_func_mkdir_trailing_slash_bug,
     [
@@ -19,6 +20,9 @@ AC_DEFUN([gl_FUNC_MKDIR_TRAILING_SLASH],
 #       include <sys/types.h>
 #       include <sys/stat.h>
 #       include <stdlib.h>
+#       ifdef HAVE_UNISTD_H
+#         include <unistd.h>
+#       endif
 	int main ()
 	{
 	  rmdir ("confdir-slash");